Wiring Remeha Calenta

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Wiring Remeha Calenta

Postby remehaUser » Fri Jun 16, 2017 12:56 pm

Hi,
I use the opentherm GW and a remeha calenta. I studied this site: http://otgw.tclcode.com but I cannot find information how to wire the Opentherm GW. Does anybod know?
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Re: Wiring Remeha Calenta

Postby D_Hailsham » Mon Jun 26, 2017 11:20 am

If you look at the Schematic, you will see, on the left side:

1. A pair of terminals (X1-1 and X1-2) labelled "thermostat"
2. A pair of terminals (X2-1 and X2-2) labelled "boiler"

Boiler terminals X12-1 and X12-2 are labelled OT (OpenTherm)

Connect X2-1 and X2-2 of the Gateway to X12-1 and X12-2 of the boiler (any way round)

Connect your Opentherm thermostat to X1-1 and X1-2 of the Gateway (any way round)
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